MSGID: 1:317/3 64af7df1   
   PID: hpt/lnx 1.9.0-cur 2019-01-08   
   TID: hpt/lnx 1.9.0-cur 2019-01-08   
    Salinity changes threatening marine ecosystems    
      
     Date:   
         July 12, 2023   
     Source:   
         University of North Florida   
     Summary:   
         A groundbreaking study reveals the critical yet severely   
         understudied factor of salinity changes in ocean and coastlines   
         caused by climate change.   
      
      
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   FULL STORY   
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   A groundbreaking study published today reveals the critical yet severely   
   understudied factor of salinity changes in ocean and coastlines caused   
   by climate change. The study was co-authored by an international team   
   of researchers, including Dr. Cliff Ross, University of North Florida   
   biology chair/professor, and Dr. Stacey Trevathan-Tackett, UNF biology   
   graduate program alum and research faculty member at Deakin University   
   in Australia.   
      
   Changes in salinity, or salt content, due to climate change and land   
   use can have potentially devastating impacts on vital coastal and   
   estuarine ecosystems, yet this has rarely been studied until now. This   
   new research provides valuable insights into the threats posed by   
   anthropogenic salinity changes to marine and coastal ecosystems and   
   outlines consequences for the health and economy of local communities   
   in oftentimes densely populated regions.   
      
   The research team looked at how climate change-related variations in   
   rainfall as well as local human-made impacts can lead to extreme flood   
   and drought events, affecting freshwater availability and impacting   
   salinity in sensitive ecosystems. As sea-levels rise, saltwater inflows   
   in coastal and low-lying areas can also cause devastating impacts. Certain   
   groups such as microorganisms, plankton, coral, mangroves, tidal marshes,   
   macroalgae and seagrass are most at risk and can quickly face ecosystem   
   collapse.   
      
   The researchers warn that salinity changes are predicted to intensify   
   alongside ocean warming, and they stress the urgency of immediately   
   addressing these salinity challenges to safeguard marine and coastal   
   ecosystems and biodiversity.   
      
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   Story Source: Materials provided by University_of_North_Florida. Note:   
   Content may be edited for style and length.   
      
      
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   Journal Reference:   
      1. Till Ro"thig, Stacey M. Trevathan‐Tackett, Christian   
      R. Voolstra,   
         Cliff Ross, Samuel Chaffron, Paul J. Durack, Laura M. Warmuth,   
         Michael Sweet. Human‐induced salinity changes impact   
         marine organisms and ecosystems. Global Change Biology, 2023;   
         DOI: 10.1111/gcb.16859   
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   Link to news story:   
   https://www.sciencedaily.com/releases/2023/07/230712165119.htm   
      
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